Struct ParseCheckpoint 

pub struct ParseCheckpoint {
    pub position: usize,
    pub depth: usize,
    pub error_count: usize,
}

A checkpoint for parser backtracking.

Fields

position: usize

depth: usize

error_count: usize

Implementations

impl ParseCheckpoint

pub fn save(cursor: &TokenCursor, errors: usize) -> Self

pub fn restore(&self, cursor: &mut TokenCursor)

Trait Implementations

impl Clone for ParseCheckpoint

fn clone(&self) -> ParseCheckpoint

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ParseCheckpoint

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.